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Androgen Receptor (AR) Signalling Pathway
Androgens (T) are produced at 3 sites Testes Adrenal glands
• Testes Reducing T to bind and activate the AR
decreases tumour cell proliferation
• Adrenal glands
• Prostate tumour cells Testosterone/DHEA
(occasionally) 5-reductase
HSP
In the eugonadal state, 95% of androgens are
produced by the testis HSP DHT DHT
Nuclear AR Nucleus
HSP HSP AR translocation AR
dissociation DHT
HSP AR
DHT
Lamb AD, et al. Trends Urol Mens Health 2013;4:26-30
National Cancer Institute. https://www.cancer.gov/types/prostate/prostate-hormone- therapy-fact-sheet.
AR Androgen receptor DHT Dihydrotestosterone Accessed February 1, 2021
HSP Heat shock protein T Testosterone Figure adapted from ©Bandyopadhyay M, Muthuirulan P. J Drug Des Devel 2017;1:1-10